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Re: [ATM] Magnitude Limit in Telescope



I read recently the following article.

http://www.twcac.org/onlinehorizon/eyepiecedarkly.htm

Looks like the limiting magnitude can be debatable

Stathis Kafalis wrote:

> Hello list members,
> 
> how to calculate the telescopic magnitude limit? I found this Java Script
> http://www.go.ednet.ns.ca/~larry/astro/maglimit.html
> which shall be based on an S&T arcticle from Nov. 1989 page 522. Is this
> article or the formulas for the above website somewhere available? (it's too
> old to download it from the S&T arcives) In particular I am interested in a
> term that considers the gain or loss of limiting magnitude due to the
> magnification in a telescope.
> 
> I also read this at Nils Olof Calin's site:
> http://web.telia.com/~u41105032/visual/Schaefer.htm , but I am not sure, If
> this is the same approach.
> 
> Can some of you post which limiting mag they achieved with a certain
> telescope (aperture, type) and given limit with the unaided eye. What was the
> most favorate magnification?
> 
> Greetings
> 
> Stathis Kafalis
> www.stathis-firstlight.de
> 
> 
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> ATM mailing list http://www.atmlist.net/
> 
> 
> 

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